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1 Id".* Mr*> jJa jl 4ijLfc 4JI ,\t£
Angel, Roger, and Woolf, Neville. "Searching for Life on
Other Planets." Scientific American, April 1996.
.Davies, Paul. Are We Alone? New York: Basic Books, 1995.
DeDuve, Christian. Vital Dust: Life as a Cosmic Imperative.
New York: Basic Books, 1994.
Goldsmith, Donald. Worlds Unnumbered: The Search for Extrasolar
Planets. Mill Valley, CA: University Science Books, 1997.
Goldsmith, Donald (ed.). The Quest for Extraterrestrial Life.
Mill Valley, CA: University Science Books, 1980.
Goldsmith, Donald, and Owen, Tobias. The Search for Life
in the Universe (2d ed.). Reading, XM: Addison- Wesley, 1992.
Kargel, Jeffrey, and Strom, Robert. "Global Climatic Change
on Mars." Scientific American, November 1996.
Klass, Philip. UFO Abductions: A Dangerous Game. Buffalo:
Prometheus Books, 1989.
"Life in the Universe." Special issue of Scientific American,
September 1994.
McKay, David, et al. "Search for Past Life for Mars: Possible Relic
Biogenic Activity in Martian Meteorite ALH 84001." Science 273, 924, 16
.August 1996
Morrison, David, and Owen, Tobias. Ale Planetary System
(2d ed.). Reading, AAA: Addison- Wesley, 1992.
Sagan, Carl. The Demon-Haunted World: Science as a Candle
in the Dark. New York: Random House, 1996.
Sagan, Carl. Pale Blue Dot. New York: Random House, 1994.
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ISBN 99905 - - 096 - J
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